| 1. Gerrit Koets |
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| B: |
Monday 15 April 1889 |
| P: |
Grootegast, Groningen, Nederland |
| D: |
Thursday 14 December 1961 |
| P: |
Groningen, Groningen, Nederland |
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| 2. Roelf Koets |
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| B: |
Monday 10 January 1848 |
| P: |
Obergum, Winsum, Groningen, Nederland |
| M: |
Thursday 31 August 1876 |
| P: |
Ezinge, Groningen, Nederland |
| D: |
Thursday 09 December 1897 |
| P: |
Grootegast, Groningen, Nederland |
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| 4. Hendrik Gelts Koets |
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| B: |
Monday 12 June 1809 |
| P: |
Dokkum, Friesland, Nederland |
| M: |
Sunday 05 December 1841 |
| P: |
Groningen, Groningen, Nederland |
| D: |
Saturday 20 June 1857 |
| P: |
Obergum, Winsum, Groningen, Nederland |
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| 5. Lammigjen Roelfs Molema |
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| B: |
Monday 10 August 1812 |
| P: |
Veendam, Groningen, Nederland |
| D: |
Friday 25 November 1859 |
| P: |
Obergum, Winsum, Groningen, Nederland |
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| 10. Roelf Jans Molema |
=> |
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| B: |
1780 |
| P: |
Veendam, Groningen, Nederland |
| M: |
Friday 17 April 1812 |
| P: |
Veendam, Groningen, Nederland |
| D: |
Tuesday 14 December 1847 |
| P: |
Groningen, Groningen, Nederland |
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| 11. Beertje Jans Wupkes |
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| B: |
1784 |
| P: |
Veendam, Groningen, Nederland |
| D: |
Monday 22 May 1843 |
| P: |
Groningen, Groningen, Nederland |
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| 3. Jitske Sipkes Veenstra |
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| B: |
1849 |
| P: |
Eernewoude, Tietjerksteradeel, Friesland, Nederland |
| D: |
Monday 08 May 1916 |
| P: |
Grootegast, Groningen, Nederland |
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1889 - 1961 (72 years)
